202421222124202 has 4 divisors (see below), whose sum is σ = 303631833186306. Its totient is φ = 101210611062100.

The previous prime is 202421222124161. The next prime is 202421222124203.

It is a happy number.

202421222124202 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 188844790210561 + 13576431913641 = 13742081^2 + 3684621^2 .

It is a super-2 number, since 2×202421222124202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202421222124203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605305531049 + ... + 50605305531052.

Almost surely, 2^{202421222124202} is an apocalyptic number.

202421222124202 is a deficient number, since it is larger than the sum of its proper divisors (101210611062104).

202421222124202 is a wasteful number, since it uses less digits than its factorization.

202421222124202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101210611062103.

The product of its (nonzero) digits is 8192, while the sum is 28.

The spelling of 202421222124202 in words is "two hundred two trillion, four hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-four thousand, two hundred two".