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202210012222021 = 23120115314781417
BaseRepresentation
bin101101111110100010101111…
…111100101101001001000101
3222111222002101102112011121201
4231332202233330231021011
5203001002101112101041
61554021555221142501
760410122415254336
oct5576425774551105
9874862342464551
10202210012222021
115948086a327991
121a8197a3b5aa31
1388aa42621b93b
1437d10341ba28d
151859e2e4b5631
hexb7e8aff2d245

202210012222021 has 16 divisors (see below), whose sum is σ = 211315418782848. Its totient is φ = 193130955072000.

The previous prime is 202210012222019. The next prime is 202210012222039. The reversal of 202210012222021 is 120222210012202.

It is a cyclic number.

It is not a de Polignac number, because 202210012222021 - 21 = 202210012222019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202210012222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210012222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39900105 + ... + 44681521.

It is an arithmetic number, because the mean of its divisors is an integer number (13207213673928).

Almost surely, 2202210012222021 is an apocalyptic number.

It is an amenable number.

202210012222021 is a deficient number, since it is larger than the sum of its proper divisors (9105406560827).

202210012222021 is a wasteful number, since it uses less digits than its factorization.

202210012222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784172.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202210012222021 its reverse (120222210012202), we get a palindrome (322432222234223).

The spelling of 202210012222021 in words is "two hundred two trillion, two hundred ten billion, twelve million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 23 1201 1531 27623 35213 1838731 4781417 42290813 109972591 5742481817 7320349427 132077081791 168368036821 8791739661827 202210012222021