10201121020002 has 64 divisors (see below), whose sum is σ = 22393695227904. Its totient is φ = 3072267815040.

The previous prime is 10201121019979. The next prime is 10201121020003. The reversal of 10201121020002 is 20002012110201.

It is a self number, because there is not a number n which added to its sum of digits gives 10201121020002.

It is not an unprimeable number, because it can be changed into a prime (10201121020003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75576558 + ... + 75711414.

It is an arithmetic number, because the mean of its divisors is an integer number (349901487936).

Almost surely, 2^{10201121020002} is an apocalyptic number.

10201121020002 is an abundant number, since it is smaller than the sum of its proper divisors (12192574207902).

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

10201121020002 is a wasteful number, since it uses less digits than its factorization.

10201121020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141903.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10201121020002 its reverse (20002012110201), we get a palindrome (30203133130203).

The spelling of 10201121020002 in words is "ten trillion, two hundred one billion, one hundred twenty-one million, twenty thousand, two".