1011121002102 has 16 divisors (see below), whose sum is σ = 2141197416432. Its totient is φ = 317214432000.

The previous prime is 1011121002091. The next prime is 1011121002103. The reversal of 1011121002102 is 2012001211101.

It is a super-3 number, since 3×1011121002102³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011121002103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956475399 + ... + 4956475602.

It is an arithmetic number, because the mean of its divisors is an integer number (133824838527).

Almost surely, 2^{1011121002102} is an apocalyptic number.

1011121002102 is an abundant number, since it is smaller than the sum of its proper divisors (1130076414330).

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

1011121002102 is a wasteful number, since it uses less digits than its factorization.

1011121002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912951023.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011121002102 its reverse (2012001211101), we get a palindrome (3023122213203).

The spelling of 1011121002102 in words is "one trillion, eleven billion, one hundred twenty-one million, two thousand, one hundred two".