121011550372004 has 6 divisors (see below), whose sum is σ = 211770213151014. Its totient is φ = 60505775186000.

The previous prime is 121011550372003. The next prime is 121011550372049. The reversal of 121011550372004 is 400273055110121.

It can be written as a sum of positive squares in only one way, i.e., 120090913960000 + 920636412004 = 10958600^2 + 959498^2 .

It is a super-2 number, since 2×121011550372004² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121011550372003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126443796497 + ... + 15126443796504.

It is an arithmetic number, because the mean of its divisors is an integer number (35295035525169).

Almost surely, 2^{121011550372004} is an apocalyptic number.

It is an amenable number.

121011550372004 is a deficient number, since it is larger than the sum of its proper divisors (90758662779010).

121011550372004 is a wasteful number, since it uses less digits than its factorization.

121011550372004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30252887593005 (or 30252887593003 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 121011550372004 in words is "one hundred twenty-one trillion, eleven billion, five hundred fifty million, three hundred seventy-two thousand, four".