202021101021102 has 16 divisors (see below), whose sum is σ = 440773311318912. Its totient is φ = 61218515460920.

The previous prime is 202021101021079. The next prime is 202021101021137. The reversal of 202021101021102 is 201120101120202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530462886458 + ... + 1530462886589.

It is an arithmetic number, because the mean of its divisors is an integer number (27548331957432).

Almost surely, 2^{202021101021102} is an apocalyptic number.

202021101021102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202021101021102 is an abundant number, since it is smaller than the sum of its proper divisors (238752210297810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202021101021102 is a wasteful number, since it uses less digits than its factorization.

202021101021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060925773063.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202021101021102 its reverse (201120101120202), we get a palindrome (403141202141304).

The spelling of 202021101021102 in words is "two hundred two trillion, twenty-one billion, one hundred one million, twenty-one thousand, one hundred two".