1000012121102 has 16 divisors (see below), whose sum is σ = 1587281951232. Its totient is φ = 471530514840.

The previous prime is 1000012121093. The next prime is 1000012121117. The reversal of 1000012121102 is 2011212100001.

It is a super-2 number, since 2×1000012121102² (a number of 25 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, 153091058 + ... + 153097589.

It is an arithmetic number, because the mean of its divisors is an integer number (99205121952).

Almost surely, 2^{1000012121102} is an apocalyptic number.

1000012121102 is a deficient number, since it is larger than the sum of its proper divisors (587269830130).

1000012121102 is a wasteful number, since it uses less digits than its factorization.

1000012121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306188743.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000012121102 its reverse (2011212100001), we get a palindrome (3011224221103).

The spelling of 1000012121102 in words is "one trillion, twelve million, one hundred twenty-one thousand, one hundred two".