1011243402102 has 192 divisors, whose sum is σ = 2281735443456. Its totient is φ = 298342133760.

The previous prime is 1011243402079. The next prime is 1011243402121. The reversal of 1011243402102 is 2012043421101.

It is a super-2 number, since 2×1011243402102² (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 95 ways as a sum of consecutive naturals, for example, 223872748 + ... + 223877264.

It is an arithmetic number, because the mean of its divisors is an integer number (11884038768).

Almost surely, 2^{1011243402102} is an apocalyptic number.

1011243402102 is an abundant number, since it is smaller than the sum of its proper divisors (1270492041354).

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

1011243402102 is a wasteful number, since it uses less digits than its factorization.

1011243402102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711 (or 4694 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1011243402102 its reverse (2012043421101), we get a palindrome (3023286823203).

The spelling of 1011243402102 in words is "one trillion, eleven billion, two hundred forty-three million, four hundred two thousand, one hundred two".