10202121210102 has 16 divisors (see below), whose sum is σ = 20469431696880. Its totient is φ = 3389842190592.

The previous prime is 10202121210097. The next prime is 10202121210133. The reversal of 10202121210102 is 20101212120201.

It is a super-2 number, since 2×10202121210102² (a number of 27 digits) contains 22 as substring.

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, 2716217827 + ... + 2716221582.

It is an arithmetic number, because the mean of its divisors is an integer number (1279339481055).

Almost surely, 2^{10202121210102} is an apocalyptic number.

10202121210102 is an abundant number, since it is smaller than the sum of its proper divisors (10267310486778).

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

10202121210102 is a wasteful number, since it uses less digits than its factorization.

10202121210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432439727.

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

Adding to 10202121210102 its reverse (20101212120201), we get a palindrome (30303333330303).

The spelling of 10202121210102 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred ten thousand, one hundred two".