121029111022 has 8 divisors (see below), whose sum is σ = 181546556400. Its totient is φ = 60513592224.

The previous prime is 121029111019. The next prime is 121029111029. The reversal of 121029111022 is 220111920121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121029110984 and 121029111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121029111029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312747 + ... + 582982.

It is an arithmetic number, because the mean of its divisors is an integer number (22693319550).

Almost surely, 2^121029111022 is an apocalyptic number.

121029111022 is a deficient number, since it is larger than the sum of its proper divisors (60517445378).

121029111022 is an equidigital number, since it uses as much as digits as its factorization.

121029111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963290.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 121029111022 in words is "one hundred twenty-one billion, twenty-nine million, one hundred eleven thousand, twenty-two".