202012221021011 has 8 divisors (see below), whose sum is σ = 205032351709584. Its totient is φ = 198992238065280.

The previous prime is 202012221020957. The next prime is 202012221021029. The reversal of 202012221021011 is 110120122210202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202012221021011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202012221020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34176410 + ... + 39649103.

It is an arithmetic number, because the mean of its divisors is an integer number (25629043963698).

Almost surely, 2^{202012221021011} is an apocalyptic number.

202012221021011 is a deficient number, since it is larger than the sum of its proper divisors (3020130688573).

202012221021011 is an equidigital number, since it uses as much as digits as its factorization.

202012221021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73866421.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202012221021011 its reverse (110120122210202), we get a palindrome (312132343231213).

The spelling of 202012221021011 in words is "two hundred two trillion, twelve billion, two hundred twenty-one million, twenty-one thousand, eleven".