1102100021121 has 16 divisors (see below), whose sum is σ = 1629334162368. Its totient is φ = 656989579200.

The previous prime is 1102100021059. The next prime is 1102100021123. The reversal of 1102100021121 is 1211200012011.

It is not a de Polignac number, because 1102100021121 - 2⁷ = 1102100020993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102100021097 and 1102100021106.

It is not an unprimeable number, because it can be changed into a prime (1102100021123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273743646 + ... + 273747671.

It is an arithmetic number, because the mean of its divisors is an integer number (101833385148).

Almost surely, 2^{1102100021121} is an apocalyptic number.

1102100021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102100021121 is a deficient number, since it is larger than the sum of its proper divisors (527234141247).

1102100021121 is a wasteful number, since it uses less digits than its factorization.

1102100021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547491392.

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

Adding to 1102100021121 its reverse (1211200012011), we get a palindrome (2313300033132).

The spelling of 1102100021121 in words is "one trillion, one hundred two billion, one hundred million, twenty-one thousand, one hundred twenty-one".