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202021022201 = 19431297190649
BaseRepresentation
bin1011110000100101100…
…1000010100111111001
3201022110012012020202112
42330021121002213321
511302214340202301
6232450203342105
720411161233005
oct2741131024771
9638405166675
10202021022201
1178749667089
12331a0521935
1316086c46cbb
149ac668d705
1553c5ada9bb
hex2f096429f9

202021022201 has 16 divisors (see below), whose sum is σ = 217768056000. Its totient is φ = 186792334848.

The previous prime is 202021022167. The next prime is 202021022213. The reversal of 202021022201 is 102220120202.

202021022201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202021022201 is a prime.

It is a super-2 number, since 2×2020210222012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202021022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964325 + ... + 1154973.

It is an arithmetic number, because the mean of its divisors is an integer number (13610503500).

Almost surely, 2202021022201 is an apocalyptic number.

It is an amenable number.

202021022201 is a deficient number, since it is larger than the sum of its proper divisors (15747033799).

202021022201 is a wasteful number, since it uses less digits than its factorization.

202021022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192008.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202021022201 its reverse (102220120202), we get a palindrome (304241142403).

The spelling of 202021022201 in words is "two hundred two billion, twenty-one million, twenty-two thousand, two hundred one".

Divisors: 1 19 43 817 1297 24643 55771 190649 1059649 3622331 8197907 155760233 247271753 4698163307 10632685379 202021022201