202000012001021 has 8 divisors (see below), whose sum is σ = 217546475228544. Its totient is φ = 186454691740080.

The previous prime is 202000012000993. The next prime is 202000012001027. The reversal of 202000012001021 is 120100210000202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 202000012001021 - 2⁴² = 197601965489917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202000012000993 and 202000012001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202000012001027) 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, 285374561 + ... + 286081526.

It is an arithmetic number, because the mean of its divisors is an integer number (27193309403568).

Almost surely, 2^{202000012001021} is an apocalyptic number.

It is an amenable number.

202000012001021 is a deficient number, since it is larger than the sum of its proper divisors (15546463227523).

202000012001021 is a wasteful number, since it uses less digits than its factorization.

202000012001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571483291.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202000012001021 its reverse (120100210000202), we get a palindrome (322100222001223).

The spelling of 202000012001021 in words is "two hundred two trillion, twelve million, one thousand, twenty-one".